用gwt实现对数据库检索出来的文件全部压缩打包，或者只打包选中的某些文件，并且实现对文件名的修改。-Database search using gwt realize out of all the compressed package files, or just selected some of the packaged file, and to realize the file name changes.

使用ChangeListener例子，适合刚学习GWT的人-Use ChangeListener example, suitable for people just learning GWT

很好的代码。用来学习gwt，mvp.这个代码修改了google的官方网的学习代码，我加入了一些功能，更有利于学习。-a very good code for learning GWT and MVP.good for Ajax.the code download from the google s web ,and I added some features,it is better for learn.